JPH04128912U - automotive door - Google Patents

Abstract

(57) [Summary] [Purpose] To improve safety by increasing the cushioning effect of the door trim in the event of a side collision. [Structure] On the back surface of the door trim 4 that covers the two surfaces of the door inner panel of the door body 1, a plurality of ribs 6 are arranged in the vertical direction so as to protrude integrally in the front-rear direction and come into contact with the two surfaces of the door inner panel. .

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to an automobile door.

0002

[Conventional technology]

For example, some automobile doors are shown in Japanese Utility Model Application No. 1-144112. As shown in the figure, there is a soft coating on the back of the door trim that covers the door inner panel surface of the door body. Cushioning materials such as pads are installed to prevent occupants from inertial movement toward the door in the event of a side collision. in the event of a secondary collision with the door, or the door enters the vehicle interior and collides with an occupant. However, this cushioning material is designed to reduce the impact on the occupants and protect them. things are known.

0003

[Problem that the idea aims to solve]

The cushioning material is integrally molded on the back of the door trim, but the inner door panel surface is actually The surface is intricately uneven to assemble door mechanism parts and improve panel surface rigidity. Because it is shaped like this, the cushioning material can be filled into the recesses on the door inner panel surface. It is difficult to mold the material in one piece so that it can be used as a single piece, and it is difficult to obtain a sufficient cushioning effect. do not have.

0004 Therefore, in this invention, the space between the door trim and the door inner panel 4 is uneven. We offer an automobile door that can obtain optimal collision energy absorption characteristics even when This is what we provide.

[0005]

[Means to solve the problem]

In a structure where a door trim is attached to cover the door inner panel surface of the door body, It is integrally provided on the back of the door trim in the front-rear direction and touches the door inner panel surface. A plurality of contacting ribs are arranged in a row in the vertical direction.

[0006]

[Effect]

During a side collision of a car, the occupant sitting in the seat moves inertially toward the door and crashes into the door. When colliding with the trim, each rib deforms elastically due to this collision input and generates collision energy. - absorb.

[0007]

【Example】

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

[0008] In FIGS. 1 and 2, 1 consists of a door inner panel 2 and a door outer panel 3. The door body 4 is a door trim that covers two surfaces of the door inner panel of the door body 1, The door trim 4 has a hook portion 4 formed at the end edge of the trim waist portion (T/W). a to the waist flange 2a of the door inner panel 2, and the front and rear edges. The upper and lower edges of the door inner panel 2 are fixed to the door inner panel 2 using clips 5.

[0009] A predetermined portion on the back side of the door trim 4, specifically, a seat not shown in the drawing, where an occupant is seated. When the passenger A rib 6 is integrally provided in the longitudinal direction of the rim 4 and protrudes from the two surfaces of the door inner panel. , a plurality of them are arranged in rows in the vertical direction.

0010 The ribs 6 have different protruding amounts according to the uneven shape of the door inner panel 2. The door is protruded so that it properly contacts the two surfaces of the door inner panel, and the door Adjust the rib thickness according to the space in the width direction between the atrim 4 and the door inner panel 2. They are molded differently. In this example, the collision energy absorption characteristics shown in FIG. As shown in , the reaction force at the beginning of the deformation stroke rises rapidly and the optimal collision energy is reached. In order to obtain energy absorption characteristics, the rib thickness is increased in the small width space area. The rib thickness is made smaller in areas where the space in the width direction is larger.

[0011] According to the structure of the above embodiment, an occupant sitting in a seat at the time of a side collision of a car When the inertia moves toward the door and collides with the door trim 4, this collision input causes each rear The cover 6 is compressed between the door trim 4 and the door inner panel 2 and is bent or deformed. It bends and deforms, and can absorb collision energy through these elastic deformations. .

0012 Here, as mentioned above, the widthwise space between the door trim 4 and the door inner panel 2 is By increasing the thickness of the ribs 6 in small areas of the base, the ribs 6 can be prevented from collapsing. It is possible to use the stroke effectively, and the rise of the buffering characteristics is rapid and the energy is increased. By setting the thickness of the rib 6, the amount of energy absorption can be increased. You can get any gender you want.

[0013] In addition, since the rib 6 protrudes in the front and back direction of the door trim 4, the door inner panel It is easy to mold, unlike the type that protrudes according to the multi-step shape change in the vertical direction of the module 2. Moreover, there is also the advantage that the amount of protrusion can be easily adjusted by cutting or the like.

[0014]

[Effect of the idea]

As described above, according to the present invention, the back of the door trim is provided with an integrally protruding part in the front and rear direction. Multiple ribs are arranged in the vertical direction to contact the door inner panel surface. The thickness of this rib is determined according to the widthwise space between the door trim and door inner panel. By changing the It is possible to easily obtain the optimum characteristics by changing the rib thickness, and the door opening Excellent cushioning effect is achieved by effectively utilizing the narrow gap between the rim and the door inner panel. You can get results.

[Brief explanation of drawings]

FIG. 1 is a sectional view taken along line A-A in FIG. 2, showing an embodiment of the present invention.

FIG. 2 is a side view of the automobile door of the same embodiment as seen from the passenger compartment side.

FIG. 3 is a buffer characteristic diagram of the same example.

[Explanation of symbols]

1...door body, 2...door inner panel, 4...door trim, 6...rib.

Claims (1)

[Scope of utility model registration request] Claim 1: In a structure in which a door trim is attached to cover a door inner panel surface of a door body, a rib is provided on the back surface of the door trim and integrally protrudes in the front-rear direction and abuts on the door inner panel surface in the vertical direction. An automobile door characterized by having a plurality of doors arranged in a row.